package com.itheima.config;

import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionManager;

import javax.sql.DataSource;

public class JdbcConfig {

    @Value("${jdbc.driver}")
    private String driver;
    @Value("${jdbc.url}")
    private String url;
    @Value("${jdbc.username}")
    private String userName;
    @Value("${jdbc.password}")
    private String password;

    @Bean
    public DataSource dataSource(){
        DruidDataSource ds = new DruidDataSource();
        ds.setDriverClassName(driver);
        ds.setUrl(url);
        ds.setUsername(userName);
        ds.setPassword(password);
        return ds;
    }

    //TODO:配置Spring平台事务管理器
    /**
     * dao层框架  不光只有mybatis    spring-jdbc
     * hibernate()     jtaTransactionManager
     * @param dataSource
     * @return
     */
    @Bean
    public TransactionManager TransactionManager(DataSource dataSource){
        DataSourceTransactionManager dtm = new DataSourceTransactionManager();
        dtm.setDataSource(dataSource);
        return dtm;
    }
 }
